Fedorov, E <br/><br/>
Manuh aru prakriti / 
E. Fedorov 
 - Kolkata :  Bharstak publication : 
 - 161 p. :  ill, ;  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conservation of Natural Resources-- Environmental Science
<br/><br/><label>Dewey Class. No.: </label>910  / FED